If all we will find on google then why meritnation is made. Please do not give silly answers.
Purva answered this
It is necessary to make holes in huge hoardings to let the strong winds of high speed to pass through them. If these holes are not made then the high speed winds will either carry the boardings along with it to far off places or will tear them apart with their pressure.
Deepanjali answered this
holes in huge hoardings to let winds pass through them.
Nita Miriam Sam answered this
its clearly reffered
Anmol Tripathi answered this
Holes were made for that wind pass through them and hordings not fall
Garima M answered this
Dear friend, Hoardings are large boards placed in public places for advertisements.
Holes are made in hoardings to prevent them from tearing. When air blows, it can pass through the holes.